What color is Scenic Panel, Scenic Panel from 'L'Hindoustan' ?

Source Crayola® CSS3 CSS4
#585b60
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#3b2e2c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#a2a9bb
 
#a2add0
wild blue yonder
#a9a9a9
dark gray
#a9a9a9
darkgrey
#71777f
 
#757575
sonic silver
#808080
grey
#808080
grey
#8f9f9b
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey